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Finding the Fourth Proportional to 29,490.40, 40,696.43 and 16,061.62

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Solution

The fourth proportional to 29,490.40, 40,696.43 and 16,061.62 is: 22,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,490.40 : 40,696.43 = 16,061.62 : x
  2. Step 2: Convert to fraction form
    29,490.40/40,696.43 = 16,061.62/x
  3. Step 3: Cross multiply
    29,490.40x = 40,696.43 × 16,061.62
  4. Step 4: Simplify right side
    29,490.40x = 653,650,373.81
  5. Step 5: Solve for x
    x = 653,650,373.81/29,490.40
  6. Step 6: Final answer
    x = 22,164.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.